use std::io;
use std::cmp::Ordering;
use rand::Rng;

pub fn guess_number() {
    println!("Welcome to the game named guess_number");

    let selected_number = rand::thread_rng().gen_range(1..101);

    println!("Please guess a number from one to one hundred");

    loop {
        let mut guess = String::new();

        io::stdin().read_line(&mut guess).expect("Failed to read line");

        let guess: u32 = match guess.trim().parse() {
            Ok(num) => num,
            Err(_) => {
                println!("Please input a valid number");
                continue;
            }
        };

        match guess.cmp(&selected_number) {
            Ordering::Less => println!("Too small"),
            Ordering::Greater => println!("Too big"),
            Ordering::Equal => {
                println!("You're right!");
                break;
            }
        }
    }
}
